Finding the Fourth Proportional to 7,979,590.99, 11,971,067.73 and 2,587,820.98
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Solution
The fourth proportional to 7,979,590.99, 11,971,067.73 and 2,587,820.98 is: 3,882,276.71
Step by Step Solution
- Step 1: Write the proportion equation
7,979,590.99 : 11,971,067.73 = 2,587,820.98 : x - Step 2: Convert to fraction form
7,979,590.99/11,971,067.73 = 2,587,820.98/x - Step 3: Cross multiply
7,979,590.99x = 11,971,067.73 × 2,587,820.98 - Step 4: Simplify right side
7,979,590.99x = 30,978,980,224,694.98 - Step 5: Solve for x
x = 30,978,980,224,694.98/7,979,590.99 - Step 6: Final answer
x = 3,882,276.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.